<PAGE> PAGE 1
000 B000000 12/31/99
000 C000000 0000923185
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0.a
000 J000000 U
001 A000000 OCC ACCUMULATION TRUST
001 B000000 811-8512
001 C000000 2127393000
002 A000000 1345 AVENUE OF THE AMERICAS
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10105
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 6
007 C010100 1
007 C020100 OCC AT EQUITY PORTFOLIO
007 C030100 N
007 C010200 2
007 C020200 OCC AT SMALL CAP PORTFOLIO
007 C030200 N
007 C010300 3
007 C020300 OCC AT MANAGED PORTFOLIO
007 C030300 N
007 C010400 4
007 C010500 5
007 C010600 6
007 C020600 OCC AT US GOVT INC PORTFOLIO
007 C030600 N
007 C010700 7
007 C020700 OCC AT GLOBAL EQUITY PORTFOLIO
007 C030700 N
007 C010800 8
007 C020800 OCC AT MID CAP PORTFOLIO
007 C030800 N
007 C010900 9
007 C011000 10
077 A000000 Y
080 A00AA00 ICI MUTUAL INSURANCE CO.
080 C00AA00 7525
081 A00AA00 Y
081 B00AA00 13
082 B00AA00 50
083 A00AA00 N
<PAGE> PAGE 2
083 B00AA00 0
084 A00AA00 N
084 B00AA00 0
085 A00AA00 Y
085 B00AA00 N
062 A000100 N
062 B000100 0.0
062 C000100 0.0
062 D000100 0.0
062 E000100 0.0
062 F000100 0.0
062 G000100 0.0
062 H000100 0.0
062 I000100 0.0
062 J000100 0.0
062 K000100 0.0
062 L000100 0.0
062 M000100 0.0
062 N000100 0.0
062 O000100 0.0
062 P000100 0.0
062 Q000100 0.0
062 R000100 0.0
071 A000100 71597
071 B000100 46834
071 C000100 55893
071 D000100 84
072 A000100 12
072 B000100 310
072 C000100 786
072 D000100 0
072 E000100 0
072 F000100 498
072 G000100 0
072 H000100 0
072 I000100 7
072 J000100 23
072 K000100 0
072 L000100 5
072 M000100 11
072 N000100 0
072 O000100 0
072 P000100 0
072 Q000100 0
072 R000100 16
072 S000100 1
072 T000100 0
072 U000100 0
072 V000100 0
072 W000100 3
072 X000100 564
<PAGE> PAGE 3
072 Y000100 2
072 Z000100 533
072AA000100 6899
072BB000100 0
072CC010100 0
072CC020100 6429
072DD010100 496
072DD020100 0
072EE000100 2260
073 A010100 0.3623
073 A020100 0.0000
073 B000100 1.6498
073 C000100 0.0000
074 A000100 5
074 B000100 0
074 C000100 3655
074 D000100 0
074 E000100 1338
074 F000100 65155
074 G000100 0
074 H000100 0
074 I000100 0
074 J000100 204
074 K000100 0
074 L000100 216
074 M000100 0
074 N000100 70573
074 T000100 70512
075 A000100 0
075 B000100 62317
062 A000200 N
062 B000200 0.0
062 C000200 0.0
062 D000200 0.0
062 E000200 0.0
062 F000200 0.0
062 G000200 0.0
062 H000200 0.0
062 I000200 0.0
062 J000200 0.0
062 K000200 0.0
062 L000200 0.0
062 M000200 0.0
062 N000200 0.0
062 O000200 0.0
062 P000200 0.0
062 Q000200 0.0
062 R000200 0.0
071 A000200 137434
071 B000200 135776
071 C000200 137147
<PAGE> PAGE 4
071 D000200 99
072 A000200 12
072 B000200 998
072 C000200 1255
072 D000200 0
072 E000200 0
072 F000200 1207
072 G000200 0
072 H000200 0
072 I000200 14
072 J000200 44
072 K000200 0
072 L000200 19
072 M000200 19
072 N000200 0
072 O000200 0
072 P000200 0
072 Q000200 0
072 R000200 14
072 S000200 3
072 T000200 0
072 U000200 0
072 V000200 0
072 W000200 19
072 X000200 1339
072 Y000200 3
072 Z000200 917
072AA000200 0
072BB000200 4521
072CC010200 723
072CC020200 0
072DD010200 979
072DD020200 0
072EE000200 0
073 A010200 0.1450
073 A020200 0.0000
073 B000200 0.0000
073 C000200 0.0000
074 N000200 152393
074 T000200 151290
075 A000200 0
075 B000200 150852
062 A000300 N
062 B000300 0.0
062 C000300 0.0
062 D000300 0.0
062 E000300 0.0
062 F000300 0.0
062 G000300 0.0
062 H000300 0.0
062 I000300 0.0
<PAGE> PAGE 5
062 J000300 0.0
062 K000300 0.0
062 L000300 0.0
062 M000300 0.0
062 N000300 0.0
062 O000300 0.0
062 P000300 0.0
062 Q000300 0.0
062 R000300 0.0
071 A000300 323839
071 B000300 350172
071 C000300 646996
071 D000300 50
072 A000300 12
072 Y000300 5
072 Z000300 10022
072AA000300 58155
072BB000300 0
072CC010300 0
072CC020300 29207
072DD010300 11467
072DD020300 0
072EE000300 25732
073 A010300 0.6523
073 A020300 0.0000
073 B000300 1.4637
073 C000300 0.0000
074 A000300 3
074 B000300 0
074 C000300 154680
074 D000300 79965
074 E000300 22985
074 F000300 535136
074 G000300 0
074 H000300 0
074 I000300 0
074 J000300 16114
074 K000300 0
074 L000300 2693
074 M000300 3
074 N000300 811579
074 T000300 804467
075 A000300 0
075 B000300 789279
062 A000500 N
062 B000500 0.0
062 C000500 0.0
062 D000500 0.0
062 E000500 0.0
062 F000500 0.0
062 G000500 0.0
<PAGE> PAGE 6
062 H000500 0.0
062 I000500 0.0
062 J000500 0.0
062 K000500 0.0
062 L000500 0.0
062 M000500 0.0
062 N000500 0.0
062 O000500 0.0
062 P000500 0.0
062 Q000500 0.0
062 R000500 0.0
071 A000500 0
071 B000500 0
071 C000500 0
071 D000500 0
072 A000500 6
074 N000500 0
074 T000500 0
075 A000500 0
075 B000500 0
062 A000600 Y
062 B000600 0.0
062 C000600 0.0
062 D000600 0.0
062 E000600 0.0
062 F000600 0.0
062 G000600 0.0
062 H000600 0.0
062 I000600 0.0
062 J000600 0.0
062 K000600 0.0
062 L000600 0.0
062 M000600 38.2
062 N000600 55.9
062 O000600 0.0
062 P000600 5.0
062 Q000600 0.0
062 R000600 0.0
071 A000600 6615
071 B000600 7233
071 C000600 9581
071 D000600 69
072 A000600 12
072 Y000600 1
072 Z000600 503
072AA000600 0
072BB000600 31
072CC010600 0
072CC020600 628
072DD010600 503
072DD020600 0
<PAGE> PAGE 7
072EE000600 0
073 A010600 0.4906
073 A020600 0.0000
073 B000600 0.0000
073 C000600 0.0000
074 N000600 9854
074 T000600 9830
075 A000600 0
075 B000600 10536
062 A000700 N
062 B000700 0.0
062 C000700 0.0
062 D000700 0.0
062 E000700 0.0
062 F000700 0.0
062 G000700 0.0
062 H000700 0.0
062 I000700 0.0
062 J000700 0.0
062 K000700 0.0
062 L000700 0.0
062 M000700 0.0
062 N000700 0.0
062 O000700 0.0
062 P000700 0.0
062 Q000700 0.0
062 R000700 0.0
071 A000700 30273
071 B000700 31339
071 C000700 36508
071 D000700 83
072 A000700 12
072 Y000700 1
072 Z000700 182
072AA000700 8246
072BB000700 34
072CC010700 648
072CC020700 0
072DD010700 570
072DD020700 0
072EE000700 6011
073 A010700 0.2555
073 A020700 0.0000
073 B000700 2.6967
073 C000700 0.0000
074 A000700 69
074 B000700 0
074 C000700 2925
074 D000700 0
074 E000700 1294
074 F000700 39304
<PAGE> PAGE 8
074 G000700 0
074 H000700 0
074 I000700 0
074 J000700 0
074 K000700 0
074 L000700 75
074 M000700 1
074 N000700 43668
074 T000700 43412
075 A000700 0
075 B000700 37813
062 A000800 N
062 B000800 0.0
062 C000800 0.0
062 D000800 0.0
062 E000800 0.0
062 F000800 0.0
062 G000800 0.0
062 H000800 0.0
062 I000800 0.0
062 J000800 0.0
062 K000800 0.0
062 L000800 0.0
062 M000800 0.0
062 N000800 0.0
062 O000800 0.0
062 P000800 0.0
062 Q000800 0.0
062 R000800 0.0
071 A000800 5573
071 B000800 3482
071 C000800 3214
071 D000800 108
072 A000800 12
072 Y000800 25
072 Z000800 21
072AA000800 269
072BB000800 0
072CC010800 583
072CC020800 0
072DD010800 22
072DD020800 0
072EE000800 104
073 A010800 0.0473
073 A020800 0.0000
073 B000800 0.2307
073 C000800 0.0000
074 N000800 5463
074 T000800 5382
075 A000800 0
075 B000800 3476
<PAGE> PAGE 9
SIGNATURE BRIAN S. SHLISSEL
TITLE ASST. TREASURER
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
OCC ACCUMULATION TRUST EQUITY PORTFOLIO ANNUAL REPORT FOR THE YEAR
ENDED DECEMBER 31,1999.
</LEGEND>
<CIK> 0000923185
<NAME> OCC ACCUMULATION TRUST
<SERIES>
<NUMBER>1
<NAME> EQUITY
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 67,381,236
<INVESTMENTS-AT-VALUE> 70,148,151
<RECEIVABLES> 419,866
<ASSETS-OTHER> 5,558
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 70,573,575
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 61,362
<TOTAL-LIABILITIES> 61,362
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 60,313,597
<SHARES-COMMON-STOCK> 1,877,417
<SHARES-COMMON-PRIOR> 1,258,763
<ACCUMULATED-NII-CURRENT> 533,159
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 6,898,512
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 2,766,915
<NET-ASSETS> 70,512,213
<DIVIDEND-INCOME> 786,022
<INTEREST-INCOME> 309,796
<OTHER-INCOME> 0
<EXPENSES-NET> 562,657
<NET-INVESTMENT-INCOME> 533,161
<REALIZED-GAINS-CURRENT> 6,898,512
<APPREC-INCREASE-CURRENT> (6,428,576)
<NET-CHANGE-FROM-OPS> 1,003,097
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (496,364)
<DISTRIBUTIONS-OF-GAINS> (2,260,410)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 34,572,394
<NUMBER-OF-SHARES-REDEEMED> 13,773,989
<SHARES-REINVESTED> 2,756,774
<NET-CHANGE-IN-ASSETS> 21,801,502
<ACCUMULATED-NII-PRIOR> 496,362
<ACCUMULATED-GAINS-PRIOR> 2,260,410
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 498,512
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 564,373<F1>
<AVERAGE-NET-ASSETS> 62,316,561
<PER-SHARE-NAV-BEGIN> 38.70
<PER-SHARE-NII> 0.25
<PER-SHARE-GAIN-APPREC> 0.62
<PER-SHARE-DIVIDEND> (0.36)
<PER-SHARE-DISTRIBUTIONS> (1.65)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 37.56
<EXPENSE-RATIO> 0.91
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
<FN>
<F1>GROSS OF EXPENSE OFFSET - $1,716
</FN>
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
OCC ACCUMILATION TRUST SMALL CAP PORTFOLIO ANNUAL REPORT FOR THE YEAR ENDED
DECEMBER 31, 1999.
</LEGEND>
<CIK> 0000923185
<NAME> OCC ACCUMULATION TRUST
<SERIES>
<NUMBER> 2
<NAME> SMALL CAP
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 154,177,319
<INVESTMENTS-AT-VALUE> 151,024,213
<RECEIVABLES> 1,363,380
<ASSETS-OTHER> 5,441
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 152,393,034
<PAYABLE-FOR-SECURITIES> 768,753
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 334,402
<TOTAL-LIABILITIES> 1,103,155
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 159,484,225
<SHARES-COMMON-STOCK> 6,718,771
<SHARES-COMMON-PRIOR> 6,731,406
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (5,958,651)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (3,153,106)
<NET-ASSETS> 151,289,879
<DIVIDEND-INCOME> 1,255,696
<INTEREST-INCOME> 998,014
<OTHER-INCOME> 0
<EXPENSES-NET> 1,336,291
<NET-INVESTMENT-INCOME> 917,419
<REALIZED-GAINS-CURRENT> (4,521,338)
<APPREC-INCREASE-CURRENT> 723,406
<NET-CHANGE-FROM-OPS> (2,880,513)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (978,623)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 45,603,776
<NUMBER-OF-SHARES-REDEEMED> (46,939,318)
<SHARES-REINVESTED> 978,623
<NET-CHANGE-IN-ASSETS> (4,216,055)
<ACCUMULATED-NII-PRIOR> 978,615
<ACCUMULATED-GAINS-PRIOR> (1,437,312)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (1,428,318)
<GROSS-ADVISORY-FEES> 1,206,779
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,338,951<F1>
<AVERAGE-NET-ASSETS> 150,851,635
<PER-SHARE-NAV-BEGIN> 23.10
<PER-SHARE-NII> 0.14
<PER-SHARE-GAIN-APPREC> (0.57)
<PER-SHARE-DIVIDEND> (0.15)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 22.52
<EXPENSE-RATIO> 0.89
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
<FN>
<F1>GROSS OF EXPENSE OFFSET - $2,660.
</FN>
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
OCC ACCUMULATION TRUST MANAGED PORTFOLIO ANNUAL REPORT FOR THE YEAR
ENDED DECEMBER 31,1999.
</LEGEND>
<CIK> 0000923185
<NAME> OCC ACCUMULATION TRUST
<SERIES>
<NUMBER> 3
<NAME> MANAGED
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 749,987,503
<INVESTMENTS-AT-VALUE> 792,765,506
<RECEIVABLES> 18,807,572
<ASSETS-OTHER> 5,785
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 811,578,863
<PAYABLE-FOR-SECURITIES> 6,564,120
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 547,487
<TOTAL-LIABILITIES> 7,111,607
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 696,062,102
<SHARES-COMMON-STOCK> 18,429,335
<SHARES-COMMON-PRIOR> 17,766,949
<ACCUMULATED-NII-CURRENT> 10,021,902
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 55,605,249
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 42,778,003
<NET-ASSETS> 804,467,256
<DIVIDEND-INCOME> 9,259,335
<INTEREST-INCOME> 7,327,964
<OTHER-INCOME> 0
<EXPENSES-NET> 6,565,397
<NET-INVESTMENT-INCOME> 10,021,902
<REALIZED-GAINS-CURRENT> 58,154,646
<APPREC-INCREASE-CURRENT> (29,206,986)
<NET-CHANGE-FROM-OPS> 38,969,562
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (11,467,176)
<DISTRIBUTIONS-OF-GAINS> (25,731,928)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 142,108,078
<NUMBER-OF-SHARES-REDEEMED> (153,697,507)
<SHARES-REINVESTED> 37,199,104
<NET-CHANGE-IN-ASSETS> 27,380,133
<ACCUMULATED-NII-PRIOR> 11,467,176
<ACCUMULATED-GAINS-PRIOR> 23,182,531
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 6,116,104
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 6,570,969<F1>
<AVERAGE-NET-ASSETS> 789,279,328
<PER-SHARE-NAV-BEGIN> 43.74
<PER-SHARE-NII> 0.56
<PER-SHARE-GAIN-APPREC> 1.47
<PER-SHARE-DIVIDEND> (0.65)
<PER-SHARE-DISTRIBUTIONS> (1.47)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 43.65
<EXPENSE-RATIO> 0.83
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
<FN>
<F1>Gross of Expense Offset - $5,572
</FN>
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
OCC ACCUMULATION TRUST U.S. GOVERNMENT INCOME PORTFOLIO ANNUAL REPORT FOR THE
YEAR ENDED DECEMBER 31, 1999.
</LEGEND>
<CIK> 0000923185
<NAME> OCC ACCUMULATION TRUST
<SERIES>
<NUMBER> 6
<NAME> U.S. GOVERNMENT INCOME PORTFOLIO
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 10,139,252
<INVESTMENTS-AT-VALUE> 9,740,685
<RECEIVABLES> 108,963
<ASSETS-OTHER> 4,335
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 9,853,983
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 24,167
<TOTAL-LIABILITIES> 24,167
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 10,260,405
<SHARES-COMMON-STOCK> 982,573
<SHARES-COMMON-PRIOR> 989,297
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (32,022)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (398,567)
<NET-ASSETS> 9,829,816
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 602,366
<OTHER-INCOME> 0
<EXPENSES-NET> 99,003
<NET-INVESTMENT-INCOME> 503,363
<REALIZED-GAINS-CURRENT> (31,440)
<APPREC-INCREASE-CURRENT> (628,105)
<NET-CHANGE-FROM-OPS> (156,182)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (503,363)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 3,365,637
<NUMBER-OF-SHARES-REDEEMED> 3,921,601
<SHARES-REINVESTED> 503,363
<NET-CHANGE-IN-ASSETS> (712,146)
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (582)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 63,217
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 99,773<F1>
<AVERAGE-NET-ASSETS> 10,536,137
<PER-SHARE-NAV-BEGIN> 10.66
<PER-SHARE-NII> 0.49
<PER-SHARE-GAIN-APPREC> (0.66)
<PER-SHARE-DIVIDEND> (0.49)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 10.00
<EXPENSE-RATIO> 0.95
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
<FN>
<F1>GROSS OF EXPENSE OFFSET - $770.
</FN>
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
OCC ACCUMULATION TRUST GLOBAL EQUITY PORTFOLIO ANNUAL REPORT FOR THE YEAR ENDED
DECEMBER 31, 1999.
</LEGEND>
<CIK> 0000923185
<NAME> OCC ACCUMULATION TRUST
<SERIES>
<NUMBER> 7
<NAME> GLOBAL EQUITY PORTFOLIO
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 38,152,478
<INVESTMENTS-AT-VALUE> 43,523,471
<RECEIVABLES> 75,028
<ASSETS-OTHER> 69,206
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 43,667,705
<PAYABLE-FOR-SECURITIES> 172,004
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 84,142
<TOTAL-LIABILITIES> 256,146
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 36,436,912
<SHARES-COMMON-STOCK> 2,620,954
<SHARES-COMMON-PRIOR> 2,254,352
<ACCUMULATED-NII-CURRENT> (3,139)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 1,607,569
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 5,370,217
<NET-ASSETS> 43,411,559
<DIVIDEND-INCOME> 541,052
<INTEREST-INCOME> 56,633
<OTHER-INCOME> 0
<EXPENSES-NET> 415,866
<NET-INVESTMENT-INCOME> 181,819
<REALIZED-GAINS-CURRENT> 8,211,347
<APPREC-INCREASE-CURRENT> 648,000
<NET-CHANGE-FROM-OPS> 9,041,166
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (569,505)
<DISTRIBUTIONS-OF-GAINS> (6,011,036)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 15,608,376
<NUMBER-OF-SHARES-REDEEMED> (16,015,175)
<SHARES-REINVESTED> 6,580,541
<NET-CHANGE-IN-ASSETS> 8,634,367
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> (121,949)
<OVERDIST-NET-GAINS-PRIOR> (86,246)
<GROSS-ADVISORY-FEES> 302,528
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 416,553<F1>
<AVERAGE-NET-ASSETS> 37,813,200
<PER-SHARE-NAV-BEGIN> 15.43
<PER-SHARE-NII> 0.31
<PER-SHARE-GAIN-APPREC> 3.78
<PER-SHARE-DIVIDEND> (0.26)
<PER-SHARE-DISTRIBUTIONS> (2.70)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 16.56
<EXPENSE-RATIO> 1.10
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
<FN>
<F1>GROSS OF EXPENSE OFFSET - $687.
</FN>
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
OCC ACCUMULATION TRUST MID CAP PORTFOLIO ANNUAL REPORT FOR THE YEAR ENDED
DECEMBER 31, 1999.
</LEGEND>
<CIK> 0000923185
<NAME> OCC ACCUMULATION TRUST
<SERIES>
<NUMBER> 8
<NAME> MID CAP PORTFOLIO
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> DEC-31-1999
<INVESTMENTS-AT-COST> 4,863,558
<INVESTMENTS-AT-VALUE> 5,457,073
<RECEIVABLES> 1,332
<ASSETS-OTHER> 5,063
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 5,463,468
<PAYABLE-FOR-SECURITIES> 67,162
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 14,373
<TOTAL-LIABILITIES> 81,535
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 4,632,170
<SHARES-COMMON-STOCK> 462,671
<SHARES-COMMON-PRIOR> 192,501
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 156,248
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 593,515
<NET-ASSETS> 5,381,933
<DIVIDEND-INCOME> 43,649
<INTEREST-INCOME> 12,590
<OTHER-INCOME> 0
<EXPENSES-NET> 34,763
<NET-INVESTMENT-INCOME> 21,476
<REALIZED-GAINS-CURRENT> 268,712
<APPREC-INCREASE-CURRENT> 582,994
<NET-CHANGE-FROM-OPS> 873,182
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (21,476)
<DISTRIBUTIONS-OF-GAINS> (104,145)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 4,615,546
<NUMBER-OF-SHARES-REDEEMED> (1,991,819)
<SHARES-REINVESTED> 125,621
<NET-CHANGE-IN-ASSETS> 3,496,909
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (8,419)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 27,810
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 60,091<F1>
<AVERAGE-NET-ASSETS> 3,476,284
<PER-SHARE-NAV-BEGIN> 9.79
<PER-SHARE-NII> 0.05
<PER-SHARE-GAIN-APPREC> 2.07
<PER-SHARE-DIVIDEND> (0.05)
<PER-SHARE-DISTRIBUTIONS> (0.23)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 11.63
<EXPENSE-RATIO> 1.03
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
<FN>
<F1>GROSS OF EXPENSE OFFSET-$1,082 AND INVESTMENT ADVISORY FEE WAIVED-$24,246.
</FN>
</TABLE>
Report of Independent Accountants
To the Board of Trustees and Shareholders of
OCC Accumulation Trust
In planning and performing our audits of
the financial statements of the Equity
Portfolio, Small Cap Portfolio, Global
Equity Portfolio, Managed Portfolio, U.S.
Government Income Portfolio and Mid Cap
Portfolio of OCC Accumulation Trust
(the "Fund") for the year ended December
31, 1999, we considered its internal
control, including control activities
for safeguarding securities, in order
to determine our auditing procedures
for the purpose of expressing our
opinion on the financial statements
and to comply with the requirements
of Form N-SAR, not to provide assurance
on internal control.
The management of the Fund is responsible
for establishing and maintaining internal
control. In fulfilling this responsibility,
estimates and judgments by management are
required to assess the expected benefits
and related costs of controls. Generally,
controls that are relevant to an audit
pertain to the entity's objective of
preparing financial statements for
external purposes that are fairly presented
in conformity with generally accepted
accounting principles. Those controls
include the safeguarding of assets
against unauthorized acquisition,
use or disposition.
Because of inherent limitations in
internal control, errors or fraud may
occur and not be detected. Also,
projection of any evaluation of internal
control to future periods is subject
to the risk that controls may become
inadequate because of changes in
conditions or that the effectiveness
of their design and operation may
deteriorate.
Our consideration of internal control
would not necessarily disclose all
matters in internal control that might
be material weaknesses under standards
established by the American Institute
of Certified Public Accountants. A
material weakness is a condition in
which the design or operation of one
or more of the internal control components
does not reduce to a relatively low level
the risk that misstatements caused by
error or fraud in amounts that would be
material in relation to the financial
statements being audited may occur and
not be detected within a timely period
by employees in the normal course of
performing their assigned functions.
However, we noted no matters involving
internal control and its operation,
including controls for safeguarding
securities, that we consider to be
material weaknesses as defined above
as of December 31, 1999.
This report is intended solely for
the information and use of the Board
of Trustees, management and the
Securities and Exchange Commission
and is not intendedto be and should
not be used by anyone other than
these specified parties.
PricewaterhouseCoopers LLP
February 11, 2000